POTD January 2, 2014: Wah Wah Mountains, Millard County, Utah

Wah Wah Mountains, Millard County, Utah
Photographer: Tyler Knudsen

Nearly 1,000 feet of the Tunnel Spring Tuff, erupted from a nearby caldera about 35 million years ago, makes up Crystal Peak in the Wah Wah Mountains, Millard County.